BP202-NWG24H

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LEDs, or Light-Emitting Diodes, are playing an increasingly important role in replacing traditional incandescent and fluorescent lamps. In order to ensure their versatile applications, understanding the working principle of different types and models of LEDs is essential. To provide mainstream users with an insight into the features of one major item among the available LEDs products on the market, BP202-NWG24H, this article will introduce the applications and working principles of this LED.

BP202-NWG24H LED is primarily used for lighting, signage, emergency lighting and general illumination. This LED has great Lumen Maintenance of L70/50,000 hours and has a wide range of operating temperature range from -40°C to 85°C. The operating voltage of the LED is 85-265V AC and 85-305V DC. In addition, it is designed with the high color rendering index that produces the accurate and high quality lighting you need and is highly energy-efficient with Power Factor (PF) of 0.9.

The working principle of BP202-NWG24H is based on the electro-luminescence effect, which is the basis of all LEDs. When electricity passes through a substance, in this case, Diode, it will emit light. This is basically known as the rectification principle, in which the diode acts as a one-way valve and only allows direct current to flow through it in one direction. When electrons pass through the diode, photons or light is produced. The color of the light emitted depends on the type of material used in the diode.

This LED is manufactured with light enhancing phosphorus compounds, also called phosphor. These compounds are added to the LED to create the desired spectrum of white light. Phosphors are made of different compounds such as cerium, yttrium and alumina, which absorb ultraviolet light and then convert it into other visible wavelengths. This process is known as down-conversion.

The BP202-NWG24H has two output modes, a constant current mode and a constant voltage mode. In constant current mode, the LED will be powered by an externally applied DC source. The current is determined by monitoring the voltage across a resistor in series with the LED. The voltage across the LED will remain constant, regardless of the LED’s temperature changes. This is because the LED’s internal resistance is very low. As a result, a large radiant intensity is produced.

The constant voltage mode, however, is a self-regulating operating mode. Here, the LED’s cathode is held at a constant voltage by using a current-limiting device such as a transistor. The voltage output to the LED is then constantly monitored and adjusted. This mode of operation helps to reduce power consumption and increase efficiency, while also protecting the LED from potential damage due to overheating.

BP202-NWG24H LEDs have also proven to be superior to other lighting technologies with their high reliability, increased energy efficiency and tremendous output. In addition, when compared to fluorescent and incandescent lighting technologies, BP202-NWG24H LEDs last much longer and are able to produce a high quality of lighting.

Overall, the BP202-NWG24H is an ideal LED for various applications, especially for lighting, signage, emergency lighting and general illumination. With its great Lumen Maintenance, wide temperature operating range, high color rendering index and self-regulating mode of operation, it is the most reliable LED with high energy efficiency and stunning output.

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